Whistle GO Explore Dog GPS Tracking Device and Pet Health Monitoring System Grey choose the bigger one to

choose the bigger one to ensure the pet will fit through the door as it grows

Construct machinery from over 150 pieces and operate them like you would the real thing

4 MM CR Flex-foam bootie

shock-absorbing Poron cushion battery cover

complete with all the parts you need to correct camber so you can enjoy more aggressive turning power – and your tires will last longer

Whistle GO Explore Dog GPS Tracking Device and Pet Health Monitoring System Grey choose the bigger one toWhistle GO Explore Dog GPS Tracking Device and Pet Health Monitoring System Grey is the ultimate health and location tracker for pets. The GPS pet tracker is complete with real time location tracking, Wi Fi compatibility, escape alerts, health monitoring, fitness features, and up to 20 days of battery life so you can know more than ever about your best friend. Includes: Whistle tracker device, snap collar attachment, USB charging cable, and Quick